JPH07247750A - Automatic closing device for automobile door - Google Patents

Abstract

PURPOSE:To improve safety by a method wherein a switch for detecting the state of half-latch or full-latch of a door, a closure-reversing switch and others are provided, and the closure is returned to its original position by operation of the switch if something is caught in the door. CONSTITUTION:A half-latch detecting switch 17 and a full-latch detecting switch 44 are provided to an automatic door that is operated by a motor or the like while a reversing switch or the like is provided to a closure 8. Normally, as the door is closed to the state of half-latch by operation of the motor and the half-latch detecting switch 17 is operated, the closure 8 works and the door is closed automatically to the state of full-latch. Then, the closure 8 is returned to its original position on detection of the state of full-latch. If something is caught in the door while the closure 8 is in operation and the reversing switch is turned on, the closure 8 is turned for reversing and returned to its original position. Thereby, safety can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention allows a door of an automobile to be completely closed by a suitable driving means such as a motor from a so-called half-door state (a state at that time is called a half-latch state). The present invention relates to an automatic door door closing device forcibly closing a certain position (the state at that time is called a full-latch state).

[0002]

2. Description of the Related Art As an apparatus of this type, for example, Japanese Patent Laid-Open No.
There is one disclosed in Japanese Unexamined Patent Publication No. 8-191884.
The disclosed device is provided with a cam on either one of the door or the vehicle body and a pin engageable with the cam on the other, respectively, and when the door is closed to the half-latch position,
Either the cam or the pin is moved by an appropriate driving means such as a motor, and the engagement between the cam and the pin causes
The door is forcibly closed from the half-latch position to the full-latch position so that the door can be lightly closed.

[0003]

The device as described above is
Actually, it is mounted on a car in combination with various safety devices, but if it is carried out alone, foreign matter will be caught between the door and the car body, and the door will inevitably completely close to the fully latched state. If it does not exist, there is a problem that the driving means continues to operate, power is wasted, and the driving means is easily overloaded and is likely to malfunction. An object of the present invention is to provide an automatic door closing device for an automobile that solves the above problems.

[0004]

According to the present invention, there are provided the above-mentioned problems in that a half-latch detecting means for detecting a half-latched state of a door, a full-latch detecting means for detecting a fully-latched state of a door, and the half-latch detecting means are provided. When operated, the drive means is normally rotated to forcibly close the door from the half-latch state to the full-latch state, and the full-latch detection means is activated to reverse the drive means and return to the original position. And a reversing switch which is operated by operating the door opening operation device in the door opening direction to reverse the driving means of the closure.

[0005]

According to the apparatus of the present invention, when the door is normally closed to the half-latch position and the half-latch detecting means is operated, the closure is operated and the door is automatically closed to the full-latch position.

If the reversing switch is operated during the operation of the closure, the driving means is reversed,
The closure is returned to its original position. Therefore, it is possible to prevent the drive means of the closure from continuously operating with the foreign matter sandwiched between the vehicle body and the door, thus improving safety.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an external view of a main part when the present invention is applied to a sliding door of an automobile. In the figure, (1)
Is a slide door, which is guided obliquely rearward with respect to the side surface of the vehicle body (2) at the initial stage of opening the door by being guided by slide rollers, guide rails, and the like (not shown).
It is attached to the vehicle body (2) so as to slide in parallel with the vehicle body (2).

Inside the sliding door (1), there is a door lock device (3) which engages with a striker (not shown) fixed to the rear end face of the opening provided on the side surface of the vehicle body (2), and this door lock device.
It is composed of an outside handle (5) and an inside handle (not shown) connected to (3) via a rod (4), etc., and a key cylinder (6), a knob (7), etc. A locking / unlocking operation device (not shown), a closure (8) forcibly rotating a latch (not shown) in the door lock device (3) from a half-latch position to a full-latch position, and this closure (8) A controller (9) for electrically controlling with a relay or the like is provided.

(10) is a power feeding connector device, which is a slide door
Door side connector (11) attached to the front end face (1a) of (1)
And a connector (12) on the vehicle body side, which is attached to the center pillar (2a) of the vehicle body (2) opposite thereto.

The power supply connector device (10) will be briefly described with reference to FIG. Connector on the sliding door (1) side
(11) is a base (13) consisting of a main body (13a), a protrusion (13b), and a mounting piece (13c), and a base (13) that is retractably inserted and has a hemispherical contact (14a) at its front end. ) And a pair of upper and lower conductive moving shafts (14), which are also inserted into and retractable from the base (13), and slide together with the moving shaft (14). Holder (15) and moving axis (14)
, The compression coil spring (16) that always urges in the protruding direction, i.e., the protrusion (13b), and either one of the moving shafts (14) (the lower side in this embodiment) can contact And a half-latch detection switch (17) which is a half-latch detection means for detecting that the slide door (1) has reached the half-latch position.

A conductive wire (18) is provided on the rear end surface of each moving shaft (14).
(See FIG. 1) are connected, and these two conductive wires (18) are electrically connected to the controller (9) in the slide door (1).

The moving shaft (14) and the holder (15) have a required stroke, that is, the moving shaft (14) has a compression coil spring (16).
When the holder is biased by the
The rear end surface of (15) is a guide hole (13d) formed in the base (13).
It can be freely retracted and retracted by the amount of stroke while it comes into contact with or comes close to the bottom surface of.

The half-latch detection switch (17) has an insulative guide member (19) having a shaft hole (19a) in the center, and a base end which is a front end is externally fitted to the guide member (19) and the front end is From the rear to the rear, a bottomed insulative case (20) provided with a guide hole (20a) of a required length is provided, and the lower moving shaft (14) is coaxial with the leading end of the moving shaft. (14) The guide member (19) is slidably fitted into the shaft hole (19a) so that it can abut the rear end,
And the large diameter portion (21a) at the rear end is a conductive movable contact (21) slidably fitted in the guide hole (20a), and the large diameter portion (21a) in the guide hole (20a). A movable contact (21) consisting of a compression coil spring (22) compressed between the bottom of the case (20) and the rear bottom surface.
Is constantly biased forward by the compression coil spring (22) and is electrically connected to the terminal (23) interposed between the bottom surface of the case (20) and the compression coil spring (22). ing.
In addition, the movable contact (21) has a conductive wire (2) connected to the terminal (23).
4) Hold the controller inside the slide door (1)
It is electrically connected to (9).

The connector (12) on the vehicle body (2) side has a mounting piece (25
a) a base (25) which is integral with a) and a base (25) which is inserted into and retractable from the base (25) so as to face the moving shaft (14) on the side of the slide door (1), and has a disk-shaped rear end. A pair of upper and lower moving shafts (26) having contacts (26a), a holder (27) which slides integrally by inserting the moving shafts (26), and the moving shaft (26) is always biased rearward. Therefore, the compression coil spring (16) and the compression coil spring (28) having the same spring constant are used.

Each of the moving shafts (26) can be retracted and retracted by the stroke during which the front end surface of the holder (27) contacts the bottom surface of the guide hole (25b) formed in the base (25). (29)
Is a conductive wire connected to each moving axis (26), one of which is
A controller (30) having a relay and the like provided on the vehicle body (2) side, and the other one are connected to a battery (31) (see FIG. 1).

In FIG. 1, the center pillar of the vehicle body (2)
A power supply switch (32) that is turned on and off by the slide door (1) is provided near (2a). This switch (32)
Is a door lock device when the sliding door (1) is closed.
The latch (not shown) in (3) is turned on a little before reaching the half latch position.

The power feed switch (32) is electrically connected to the controller (30) through a conductive wire (33) and is connected to the power feed switch (3).
2) and controller (30), connector on the body (2) side
It controls the power supply to (12).

As shown in FIG. 1, the closure (8) is
A drive gear (36) linked to the motor (35) through a motor (35), which is a drive means provided in the slide door (1) and is capable of rotating in the forward and reverse directions, and an appropriate reduction mechanism (not shown). And a sector gear (37) pivotally provided with a shaft (38) in the slide door (1) so as to mesh with the drive gear (36), and a drive lever (fixed to the sector gear (37) ( 39) and the bracket (40) of the door lock device (3), and the wire (4
2) is linked to the drive lever (39), and is engaged with a protrusion lever (43) formed integrally with a latch (not shown) in the door lock device (3) to thereby protrude the lever (43). The closing lever (41) forcibly rotating the latch from the half-latch position to the full-latch position through the bracket and the bracket (40), and the closing lever (41) is rotated until the latch reaches the full-latch position. At this time, the full-latch switch (44) that is brought into contact with the close lever (41) to be turned on and the sector gear (37) are provided behind the sector gear (37), and the sector gear (37) has a predetermined original position. It is equipped with a limit switch (45) that is turned off when it reaches.

Next, the operation of the above embodiment will be described with reference to the control circuit diagram of FIG. In Figure 3, (R1) (R2) (R3)
(R4) is a relay, (r1) (r2-1) (r3) (r4) are their contacts, and (5
2) is a reversing switch which is linked to the outside handle (5) and the inside handle (not shown), and is turned on only when one of them is operated in the closing direction. The relay (R3) ( R4) in series and full latch switch
It is provided in parallel with (44). Other reference numerals electrically indicate the above-mentioned members.

When the slide door (1) is closed to a predetermined position and the power supply switch (32) is automatically turned on by the slide door (1), the relay (R1) provided in the controller (30)
Is energized and the contact (r1) of the
Power is supplied from the (31) to the connector (12) on the vehicle body (2) side.

When the sliding door (1) reaches just before the half-latch position, the contact (14a) of the moving shaft (14) in the connector (11) on the sliding door (1) side moves to the moving shaft on the vehicle body (2) side. (2
It contacts the contact (26a) of 6), and at that moment, power supply from the vehicle body (2) side to the slide door (1) side is started.

From this state, when the door (1) is further closed slightly and the latch in the door lock device (3) and the striker on the vehicle body side (both not shown) barely engage with each other, That is, when the sliding door (1) is in the half-door state, the rear end of the moving shaft (14) recessed in the rear comes into contact with the movable contact (21) of the half-latch detection switch (17) to cause the half-latch. The signal that it has become
It is issued to the controller (9) provided on the door (1).

When the half-latch detection switch (17) is activated, the contact (r) in the relay (R3) connected in series with this switch is
By the normally closed action of 3), the relay (R2) is energized, its contact (r2-1) is switched to the normally open side, and the motor (35) in the closure (8) is rotationally driven in one direction.

When the motor (35) rotates, the drive gear (36) is rotated in the clockwise direction in FIG. 1 through a reduction mechanism (not shown), and the sector gear (37) meshing with the drive gear (36) is
It is rotated counterclockwise about the (38) from the original position to the front limit position.

When the sector gear (37) rotates, a drive lever (39) integral with the sector gear (37) causes a closing lever (41) pivotally mounted on the bracket (40) of the door lock device (3) to move the wire ( 42) and rotate counterclockwise in plan view.

As a result, the latch in the half-latch position is rotated by the protrusion lever (43) integrally formed with the latch coming into contact with one arm portion of the close lever (41) to rotate. The sliding door (1), which was in the half-door state, is forcibly rotated to the full-latch position and is completely closed.

When the latch reaches the full-latch position, the other arm of the close lever (41) comes into contact with the full-latch switch (44) provided on the bracket (40),
When this is closed and the relay (R3) is energized, the contact (r3), which was on the normally closed side until then, is switched to the normally open side, holding the relay (R3) itself and opening the normally closed side. The contact (r2-1) in the relay (R2) to the normally closed side
Stop (35).

At this time, the contacts of the limit switch (45) provided at the rear of the sector gear (37) are already closed because the sector gear (37) is disengaged from the original position, so that the full latch is performed. At the same time as the switch (44) is closed, the relay (R4) is activated, and the movable contact (r4) of the relay (R4) is closed to the normally open side.
Rotates in the opposite direction.

As a result, the sector gear (37) is rotated clockwise, and when it has returned to its original position, the limit switch (45) is turned off, and the movable contact (r4) of the relay (R4) is normally operated. After returning to the closed side, the motor (35) stops immediately.

The above-mentioned operation is performed by the sliding door (1) and the vehicle body.
This is the case when there is no obstacle between (2) and the door (1) is normally closed from the half-latch state to the full-latch state. 1. If a foreign object is caught between the doors (1) and the door cannot be closed, the outside handle (5)
Alternatively, by manually operating the inside handle in the door opening direction, the reversing switch (52) is turned on, and an apparent full-latch state similar to that when the full-latch switch (44) is activated is formed.

As a result, the relay (R3) is energized, the normally closed contact (r3) is switched to the normally open side, and the normally closed side is opened to open the contact (r2-) of the relay (R2). The door closing operation is immediately stopped by returning 1) to the normally closed side and stopping the motor (35). At the same time, the relay (R4) is activated, and the sector gear (37) is rotated by reversing the motor (35) as described above.
Is returned to its original position, and the door (1) is returned to the half-latch position so that the door can be opened.

As described above, in the above embodiment, by operating the reversing switch (52), the door closing operation can be stopped and the door (1) can be returned to the half-latch position again. (1) is closed to the half-latch position against the driver's will due to wind pressure, the weight of the door when parked on a slope, etc. It is possible to prevent danger when fingers or other foreign objects are accidentally caught.

The present invention can be applied to a swing type door, a back door, a trunk lid and the like, in addition to the slide door.

[0034]

According to the present invention, when the door closed to the half-latch position is not completely closed to the full-latch state, the closing operation is stopped by the operation of the reversing switch and the closure is automatically opened. Since it can be returned to the position, there is no risk that fingers, other foreign matter, etc. will continue to operate or the door will continue to be closed with the condition that it is caught between the vehicle body and the door. Absent.

Therefore, it is possible to prevent the waste of electric power and the overloading of the driving means, and the damage of the door and the vehicle body. Also, since the reversing switch operates in conjunction with the door opening operation, when the finger or the like is caught by one person, the reversing switch is immediately actuated to return the door to the half-latch position and at the same time. You can open the door.

[Brief description of drawings]

FIG. 1 is an external view of a main part when the present invention is applied to a sliding door of an automobile.

FIG. 2 is a vertical cross-sectional view of a power supply connector device.

FIG. 3 is a control circuit diagram showing an embodiment of the present invention.

[Explanation of symbols]

 (1) Sliding door (2) Vehicle body (3) Door lock device (5) Outside handle (8) Closure (11) (12) Connector (17) Half-latch detection switch (half-latch detection means) (32) Power switch (35) Motor (driving means) (41) Close lever (43) Ejector lever (44) Full latch switch (45) Limit switch (52) Reverse switch

Claims (1)

[Claims] 1. A half-latch detecting means for detecting a half-latch state of a door, a full-latch detecting means for detecting a full-latch state of a door, and an appropriate driving means for normal rotation by operating the half-latch detecting means. And a door opening operation device for closing the door forcibly from the half-latch state to the full-latch state, and activating the full-latch detecting means to reverse the driving means to return to the original position. And a reversing switch for reversing the drive means of the closure, which is operated by operating in a door opening direction.